Haydeeite Mineral Data (original) (raw)

General Haydeeite Information

Help on Chemical Formula: Chemical Formula:

Cu3Mg(OH)6Cl2

Help on Composition: Composition:

Molecular Weight = 382.25 gm

Magnesium 6.04 % Mg 10.02 % MgO

Copper 49.04 % Cu 61.39 % CuO

Hydrogen 1.66 % H 14.85 % H2O

Chlorine 17.81 % Cl 17.81 % Cl

- % Cl -4.02 % -O=Cl2

Oxygen 25.45 % O

______ ______

100.00 % 100.04 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Cu2.95Mg0.95H6.3Cl1.92O6.08

Help on Environment: Environment:

Atacamite group

Help on IMA Status: IMA Status:

Approved IMA 2006 (Dana # Added)

Help on Locality: Locality:

Haydee mine, 144 km South of Iquique, Tarapac� Province, Northern Chile Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for the locality

Help on Synonym: Synonym:

IMA2006-046

Haydeeite Image

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Haydeeite Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:0.91613

Help on Cell Dimensions: Cell Dimensions:

a = 6.2733, c = 5.7472, Z = 1; V = 195.88 Den(Calc)= 3.24

Help on Crystal System: Crystal System:

Trigonal - RhombohedralH-M Symbol ( 3) Space Group: R 3m

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 5.745(1), 2.872(0.17), 1.915(0.09),2.455(0.06),

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| | Malcherek T , Schluter J , Acta Crystallographica, Section B , 63 (2007) p.157-160, Cu3MgCl2(OH)6 and the bond-valence parameters of the OH-Cl bond, Locality: Haydee mine, Salar Grande, Atacama desert, Chile | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |

Physical Properties of Haydeeite

Help on Cleavage: Cleavage:

{0001} Perfect

Help on Color: Color:

Bluish green.

Help on Density: Density:

3.27

Help on Diaphaneity: Diaphaneity:

Transparent

Help on Fracture: Fracture:

Brittle - Uneven - Very brittle fracture producing uneven fragments.

Help on Habit: Habit:

Acicular - Occurs as needle-like crystals.

Help on Hardness: Hardness:

2 - Gypsum

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

bright greenish blue

Optical Properties of Haydeeite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.032 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.023 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2258,KPDmeas= 0.2237,KC= 0.2311
Ncalc = 1.75 - 1.76

Help on Optical Data: Optical Data:

Uniaxial (-), e=1.71, w=1.753, bire=0.0430.

Calculated Properties of Haydeeite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.13 gm/cc
note: Specific Gravity of Haydeeite =3.24 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0061651923
Boson Index = 0.9938348077

Help on Photoelectric: Photoelectric:

PEHaydeeite = 22.74 barns/electron
U=PEHaydeeite x rElectron Density= 71.14 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Haydeeite is Not Radioactive

Haydeeite Classification

Help on Dana Class: Dana Class:

10.01.01.04 (10)Oxyhalides and Hydroxyhalides

(10.01)where (A)2 (O,OH)3 Xq

(10.01.01)Atacamite group

10.01.01.01 Atacamite Cu2Cl(OH)3 Pmcn 2/m 2/m 2/m

10.01.01.02 Hibbingite (Fe,Mg)2(OH)3Cl Pnam 2/m 2/m 2/m

10.01.01.03 Gillardite! Cu3NiCl2(OH)6 R 3m 3

10.01.01.04 Haydeeite! Cu3Mg(OH)6Cl2 R 3m 3

Help on Strunz Class: Strunz Class:

03.DA.10c 03 - HALIDES

03.D - Oxyhalides, Hydroxyhalides and Related Double Halides

03.DA -With Cu, etc., without Pb

03.DA.10c Paratacamite (Cu,Zn)2(OH)3Cl R 3 3

03.DA.10c Gillardite! Cu3NiCl2(OH)6 R 3m 3

03.DA.10c Herbertsmithite! Cu3Zn(OH)6Cl2 R 3m 3 2/m

03.DA.10c Kapellasite! Cu3Zn(OH)6Cl2 P 3m1 3 2/m

03.DA.10c Haydeeite! Cu3Mg(OH)6Cl2 R 3m 3

Other Haydeeite Information

Help on References: References:

NAME( AmMin, v93:1943) PHYS. PROP.(AmMin, v93:1943) OPTIC PROP.(AmMin, v93:1943)

Help on See Also: See Also:

Links to other databases for Haydeeite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Ask about Haydeeite here :
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Print or Cut-and-Paste your Haydeeite Specimen Label here :

Haydeeite

Cu3Mg(OH)6Cl2
Dana No: 10.01.01.04 Strunz No: 03.DA.10c
Locality:

Notes: